APA-referens (7:e uppl.)

Niebel, B. W., & Freivalds, A. (2014). Niebel's methods, standards, and work design (13th ed., International student ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Niebel, Benjamin W., och Andris Freivalds. Niebel's Methods, Standards, and Work Design. 13th ed., International student ed. New York, NY: McGraw-Hill, 2014.

MLA-referens (9:e uppl.)

Niebel, Benjamin W., och Andris Freivalds. Niebel's Methods, Standards, and Work Design. 13th ed., International student ed. McGraw-Hill, 2014.